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CA area data

Foster City, CA

Foster City, CA.

Population: 35,881 (Census ACS)

The typical home value in Foster City, CA is $1.69M — up 0.7% over the past year. Homes sell for a median $1.33M after a median 28 days on market. Typical rent runs $4,433/month. 6 schools serve the area (NCES). FEMA's National Risk Index rates the county's overall natural-hazard risk Relatively High, with coastal flooding, drought, earthquake the top-rated hazards. Cost of living is 10.7% above the US average (BEA, metro/state-level).

Backed by 25+ public sourcesFEMA · U.S. Census · NOAA · Dept. of Education · EPA · and more

$1.69M

Typical home value

+0.7%

1-year change

28

Median days on market

Relatively High

Hazard risk (county)

Home values & appreciation

Typical home value
$1.69M
1-year appreciation
+0.7%
3-year appreciation
+4.2%
5-year appreciation
+7.6%
10-year appreciation
+42.0%
Peak value since 2000 (Jun 2022)
$1.79M
House Price Index (state)
423.4 (-0.3% YoY)

Sources: home value index (ZIP-level) · FHFA House Price Index (state-level)

Market activity

Median sale price
$1.33M
Median list price
$1.29M
Median price per sqft
$916
1-year sale-price change
-11.1%
Median days on market
28 days
Homes sold (recent period)
78
For-sale inventory
67
Sale-to-list ratio
100.6%
Active listings
27
1-year forecast
+0.7%
Days to pending
38 days
New listings (monthly)
21

Source: recent area sales and market data (ZIP-level)

Rents

Typical rent
$4,433/mo
1-year rent change
+10.7%
Studio fair-market rent
$2,574/mo
1BR fair-market rent
$3,003/mo
2BR fair-market rent
$3,697/mo
3BR fair-market rent
$4,832/mo
4BR fair-market rent
$5,439/mo

Sources: market rent index (ZIP-level) · HUD Fair Market Rents (metro/county-level, 40th-percentile regulatory reference)

Affordability

Cost of living index (High)
110.7 (100 = US avg)
Electricity rate (state-level)
32.5¢/kWh
Natural gas rate (state-level)
$22.00/MCF
30-year mortgage rate (national)
7.40%
15-year mortgage rate (national)
6.73%

Sources: BEA Regional Price Parities (metro/state-level) · EIA energy rates (state-level) · Freddie Mac PMMS (national)

Schools

Total schools
6
Elementary schools
5
Middle schools
1
High schools
0
Avg student-teacher ratio
21.8 : 1
Schools include
Brewer Island Elementary, Audubon Elementary, Bowditch Middle, Foster City Elementary, San Mateo-Foster City Special Education Preschool

Source: NCES school directory, 2024-25 (school-address-based)

Natural hazards & flood risk

Overall hazard risk (county)
Relatively High
Top hazards (county)
coastal flooding, drought, earthquake, inland flooding, landslide
Notable hazard ratings (county)
drought: Relatively High · landslide: Relatively High · earthquake: Relatively High · inland flooding: Relatively High · coastal flooding: Relatively High · tsunami: Relatively Moderate
Most common flood zone among NFIP claims
Zone X
NFIP flood claims on record
20
Wildfire risk to homes (county)
Higher than 72% of US counties
Buildings in wildfire direct-exposure zone
12.7%
Radon potential (county)
Moderate radon potential — EPA Zone 2 of 3
EPA Superfund (NPL) sites within 5 mi
None
Nearest Superfund site
Hewlett-Packard (620-640 Page Mill Road) (11.5 mi)
Flood zones vary by property. Look up a specific address on the FEMA Flood Map Service Center.
EPA recommends radon testing for every home regardless of zone.

Sources: FEMA National Risk Index (county-level) · FEMA NFIP flood-insurance claims (ZIP-level) · USDA Forest Service Wildfire Risk to Communities (county-level) · EPA radon zones + Superfund NPL

Climate (30-year normals)

Average annual temperature
58.0°F
Average high
63.0°F
Average low
52.0°F
Annual precipitation
19.3 in
Annual snowfall
0.7 in
USDA plant hardiness zone
10a (extreme annual low 30 to 35°F)

Sources: NOAA Climate Normals (30-year, nearest-station) · USDA Plant Hardiness Zone Map (2023)

Air quality

Air quality rating
Good
Median AQI (annual)
31
Days with Good air quality
355
Days with Moderate air quality
8
Highest AQI recorded (year)
71

Source: EPA annual air quality index (county-level)

Walkability & transit

Walkability index
13.7 / 20
Transit service frequency
1,019
Jobs reachable by car (30 min)
114,670
Jobs reachable by transit (45 min)
84,682

Source: EPA Smart Location Database (metropolitan block groups)

Amenities

National parks within ~60 mi
11
Nearest national park
San Francisco Maritime National Historical Park (20 mi)
National parks include
San Francisco Maritime National Historical Park, Presidio of San Francisco, Alcatraz Island
Airports within 30 mi
11
Nearest airport
San Carlos Airport (SQL) (3 mi)
Nearest major airport
San Carlos Airport (SQL) (3 mi)
Hospitals in or near this ZIP
60
Hospitals include
ST ROSE HOSPITAL, PENINSULA MEDICAL CENTER, CALIFORNIA PACIFIC MEDICAL CTR-DAVIES CAMPUS HOSP
Avg hospital rating (CMS)
3.4 / 5
Best hospital rating nearby (CMS)
5.0 / 5
EV charging stations (within 10 mi)
210
Solar radiation rating
Good (4.9 kWh/m²/day)

Sources: National Park Service · FAA airport data · CMS hospital data (same ZIP, else within ~40 mi) · DOE/NREL (proximity-based)

Migration

Net migration (county)
-4,745 tax filers

Source: IRS SOI county-to-county migration (county-level; published with a multi-year lag)

Housing stock

Median year housing built
1976
Housing built before 1970
23.5%
Housing built 2000 or later
12.1%
Median annual property tax
$10,001
Mean commute to work
19 min
Households with broadband internet
89.5%

Source: Census ACS 5-year estimates (ZIP-level)

Employment & development

Total county employment
380,332
Average weekly wage
$4,284
Top industries (by employment)
Professional Services, Health Care, Information
Annual residential building permits (county)
2,216

Sources: BLS QCEW (county-level) · Census Building Permits (county-level)

How it compares

Foster CityState medianUS median
Typical home value$1.69M$695,380$288,527
Median sale price$1.33M$696,000$325,000
Median days on market28 days39 days51 days
Typical rent$4,433/mo$2,786/mo$1,809/mo
Median annual property tax$10,001$4,533$2,006

State and US medians are computed across all US ZIP codes with sufficient public-data coverage, from the same sources as the figures above.

Area data compiled from public government, academic, and industry research feeds. Data sources →

Common questions

What is the typical home value in Foster City, CA?
$1.69M.
What is the median sale price in Foster City, CA?
$1.33M.
How long do homes take to sell in Foster City, CA?
Median days on market: 28 days.
What is typical rent in Foster City, CA?
Typical rent: $4,433/month.
What is the natural-hazard risk in Foster City, CA?
Overall risk: Relatively High (FEMA NRI, county-level). Top hazards: coastal flooding, drought, earthquake, inland flooding, landslide.
Is Foster City, CA in a flood zone?
Flood zones vary by property within Foster City, CA. 20 FEMA flood-insurance (NFIP) claims are on record; the most common zone among them is X. Check a specific address on the FEMA Flood Map Service Center.
What is the wildfire risk in Foster City, CA?
Risk to homes is higher than 72% of US counties (USDA Forest Service Wildfire Risk to Communities, county-level).
What is the radon potential in Foster City, CA?
Moderate radon potential — EPA Zone 2 of 3, county-level. EPA recommends testing every home regardless of zone.
Are there Superfund sites near Foster City, CA?
No current or proposed National Priorities List sites within 5 miles (EPA).
How many schools serve Foster City, CA?
6 schools (5 elementary, 1 middle) (NCES, 2024-25).
Is Foster City, CA walkable?
Walkability index: 13.7/20 (EPA Smart Location Database).
What is the air quality in Foster City, CA?
Good. Median AQI: 31. (EPA AQI).
What is the cost of living in Foster City, CA?
Regional Price Parity: 110.7 (100 = US average) (High) (BEA RPP, metro/state-level).

ZIP code for Foster City

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Data last updated

Most recent source refresh: Oct 2026. See all data sources →

Data compiled by REAIGENT7 — AI listing platform for real estate agents